Catalog
Accessory rib
Link to WHO Definition
Accessory rib – http://id.who.int/icd/entity/166116473
A condition caused by failure of the ribs to correctly develop during the antenatal period. This condition is characterised by a supernumerary rib arising from a cervical or lumbar vertebra. This condition may present with thoracic outlet syndrome, or may be asymptomatic.